Ram type blowout preventor
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United States of America Patent
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Jul 18, 2000
Grant Date -
N/A
app pub date -
Apr 9, 1998
filing date -
May 1, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
There is disclosed a ram type blowout preventor whose rams have variable ram packers for sealing about pipes of difference sizes in the bore of the preventor housing. Each ram packer includes a body of elastomeric material installed with a slot across the face of a metal ram body slidable with a guideway intersecting the bore of the preventor body. First and second sets of metal segments embedded in the body of elastomeric material beneath a top plate embedded in the packer body are so constructed and arranged as to prevent extrusion of the elastomeric material as the packers seal about the different sizes of pipe.
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